code: def f2(p):
      par = p.valuesdict()
      return (
          -1.0
          * par["g"]
          * np.exp(
              -((par["x"] - par["h"]) ** 2 + (par["y"] - par["i"]) ** 2)
              / par["scale"]
          )
      )
  
file_path: lmfit-py/examples/example_brute.py
imports: import copy
  from matplotlib.colors import LogNorm
  import matplotlib.pyplot
  import numpy
  from lmfit import Minimizer, create_params, fit_report
label_desc: Use image node_id 2 for calling a global function with example usage: f2(p) and returns: unknown